Some aspen trees have grayish-white bark when they are young or on higher branches, but the bark won’t peel like paper birch.

Aspen trees tend to have rough bark that ranges in color: greenish or yellowish, grey, white, or a mix. These trees are medium-sized, growing between 20 and 80 feet tall.

Aspen’s goal is to maintain 30% canopy coverage from trees over Aspen, and it measured at 35.7% during the last measurement. The city uses satellite imagery and liDAR to map the trees. An aspen tree ...

Wildlife and trees. Last year, when Aspen celebrated its 30th year as a Tree City, the featured tree was the aspen. This is a keystone species that helps others survive. Birds and bears love trees.

Aspen trees are particularly vulnerable because they are linked together underground, so carving into one tree can potentially damage multiple trees. Additionally, aspen bark can photosynthesize ...

FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness, forest ecologist Mike Stoddard is looking down. His concern isn’t the brilliant fall ...

CRESTED BUTTE, Colo. — Aspen trees are the celebrities of a Colorado fall day. Think about it. People line the roads to take pictures with them. Instagram feeds from all over the state feature ...

If you journey to Fishlake National Forest in Utah, you'll be surrounded by a high-elevation behemoth. It's one of the largest life forms on the planet: a quaking aspen so colossal it has a name ...

In Scotland today, most aspen reproduction occurs by this method, creating stands of genetically identical trees connected by their shared root systems, forming a single multi-stemmed organism.

Aspen trees can thrive in a variety of conditions including sandy soil, gravel, dry grasslands and elevations from 6,500 feet to 11,500 feet. But one thing they cannot go without is abundant sunshine.